from flask import current_app
from flask import g
from flask import redirect
from flask import render_template
from flask import request
from flask import jsonify

from info import constants, db
from info.models import Category, News
from info.modules.profile import profile_blu
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@profile_blu.route('/news_list')
@user_login_data
def user_news_list():

    # 获取参数
    page = request.args.get("p", 1)

    # 判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    user = g.user
    news_list = []
    current_page = 1
    total_page = 1
    try:
        paginate = News.query.filter(News.user_id==user.id).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_review_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page,
    }

    return render_template('news/user_news_list.html', data=data)

@profile_blu.route('/news_release', methods=["GET", "POST"])
@user_login_data
def news_release():
    if request.method == "GET":
        # 加载新闻分类数据
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)

        category_dict_li = []
        for category in categories:
            category_dict_li.append(category.to_dict())

        # 移除最新的分类
        category_dict_li.pop(0)
        return render_template('news/user_news_release.html', data={"categories": category_dict_li})
    # 1. 获取要提交的数据
    # 标题
    title = request.form.get("title")
    # 新闻来源
    source = "个人发布"
    # 摘要
    digest = request.form.get("digest")
    # 新闻内容
    content = request.form.get("content")
    # 索引图片
    index_image = request.files.get("index_image")
    # 分类id
    category_id = request.form.get("category_id")

    # 校验参数
    # 2.1 判断数据是否有值
    if not all([title, source, digest, content, index_image, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    # 2.2
    try:
        category_id = int(category_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    # 3.取到图片，将图片上传到七牛云
    try:
        index_image_data = index_image.read()
        # 上传到七牛云
        key = storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 1代表待审核状态
    news.status = 1

    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")

    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route('/collection')
@user_login_data
def collection():
    # 取到数据
    page = request.args.get("p", 1)
#    判断参数
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1
#     查询制定用户的收藏数据
    user = g.user

    news_list = []
    total_page = 1
    current_page = 1

    try:
        paginate = user.collection_news.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        total_page = paginate.pages
        current_page = paginate.page
        news_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询错误")
    news_dict_li = []
    for news in news_list:
        news_dict_li.append(news.to_basic_dict())

    data = {
        "total_page": total_page,
        "current_page": current_page,
        "collections": news_dict_li
    }

    return render_template('news/user_collection.html', data=data)


@profile_blu.route('/pass_info', methods=["GET", "POST"])
@user_login_data
def pass_info():
    # get请求跳转界面
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pass_info.html')
    # 取出旧密码  新密码
    old_password = request.json.get('old_password')
    new_password = request.json.get('new_password')

    if not all([old_password, new_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="数据获取失败")

    if not user.check_password(old_password):
        return jsonify(errno=RET.NODATA, errmsg="旧密码有误")
    # 保存到数据库
    user.password = new_password

    return jsonify(errno=RET.OK, errmsg="保存成功")


@profile_blu.route('/pic_info', methods=["GET", "POST"])
@user_login_data
def pic_info():
    # get请求跳转界面
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pic_info.html', data={"user": g.user.to_dict()})
# 说明此为POST请求 取到相应图片
    try:
        avatar = request.files.get('avatar').read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误3")
    if not avatar:
        return jsonify(errno=RET.NODATA, errmsg="图片为空")
#   传入函数进行上传
    try:
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="图片上传失败")
#   保存图像地址
    user.avatar_url = key
    return jsonify(errno=RET.OK, errmsg="OK", data ={"avatar_url":constants.QINIU_DOMIN_PREFIX + key})


@profile_blu.route('/base_info', methods=["GET", "POST"])
@user_login_data
def base_info():
    # get请求跳转界面
    if request.method == "GET":
        return render_template('news/user_base_info.html', data={"user": g.user.to_dict()})
#     否则是post请求 获取参数
    nick_name = request.json.get('nick_name')
    signature = request.json.get('signature')
    gender = request.json.get('gender')

#   判断数据是否为空
    if not all([nick_name, signature, gender]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误1")

    if gender not in ('WOMAN', 'MAN'):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误2")

    user = g.user
    user.nick_name = nick_name
    user.signature = signature
    user.gender = gender

    return jsonify(errno=RET.OK, errmsg="OK")



@profile_blu.route('/')
@user_login_data
def index():
    """
    个人中心
    :return:
    """
    user = g.user
    if not user:
        return redirect('/')
    data = {"user": user.to_dict()}
    return render_template('news/user.html', data=data)


